/*
 * Copyright 2020-2099 sa-token.cc
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.mjk.manager.satoken.starter.model;

import cn.dev33.satoken.context.model.SaStorage;
import jakarta.servlet.http.HttpServletRequest;

/**
 * 对 SaStorage 包装类的实现（Jakarta-Servlet 版）
 *
 * @author click33
 * @since 1.34.0
 */
public class SaStorageForServlet implements SaStorage {

    /**
     * 底层Request对象
     */
    protected HttpServletRequest request;

    /**
     * 实例化
     *
     * @param request request对象
     */
    public SaStorageForServlet(HttpServletRequest request) {
        this.request = request;
    }

    /**
     * 获取底层源对象
     */
    @Override
    public Object getSource() {
        return request;
    }

    /**
     * 在 [Request作用域] 里写入一个值
     */
    @Override
    public SaStorageForServlet set(String key, Object value) {
        request.setAttribute(key, value);
        return this;
    }

    /**
     * 在 [Request作用域] 里获取一个值
     */
    @Override
    public Object get(String key) {
        return request.getAttribute(key);
    }

    /**
     * 在 [Request作用域] 里删除一个值
     */
    @Override
    public SaStorageForServlet delete(String key) {
        request.removeAttribute(key);
        return this;
    }

}
